Agricultural drill / planter / coulter / disc blade with a step plane notch



FIG. 1 is a perspective view of an agricultural drill/planter/coulter/disc blade with a step plane notch, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top elevational view thereof;

FIG. 5 is a bottom elevational view thereof; and,

FIG. 6 is a perspective, close up view of the step plane notch.

The dashed lines shown represent the environment and represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for an agricultural drill/planter/coulter/disc blade with a step plane notch, as shown and described. 